Basicly, there are 2 workarounds, registry edition and wine (those files you are talking about). Both have their pros and cons (stuttering or weird map colors). If you have one of the latest builds, you can find both solutions in "\Docs\Windows Compatibility Fixes\Windows 8 & 10 Fix.zip\Windows 8 & 10 Fix". The wine solution only needs you to put the files in the root directory of JA2, the registry one needs that you edit the reg file, put your JA2 folder path in it and then use it to add the line to the registry.

For the stuttering and (if you have some) freezes, my tip is to do this :